<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>第一个html测试</title>
    <link rel="stylesheet" href="css/h1.css">
    <link rel="stylesheet" href="css/span.css">
    <link rel="stylesheet" href="css/style.css">
    <style>
        .cls {
            color: blue;
        }

        #time {
        font-size: 20px;
        color: red;
    }

    a {
           /* 设置没有下划线  */
           text-decoration: none;
    }
    </style>
</head>
<body>
    <div id="content-container">
        <h1>我喜欢gy</h1>
        <span id="time">我喜欢gy</span>
        <br>
        <span class="cls">我爱你</span>
        <br>
        <a href="www.baidu.com">百度</a>
    </div>
</body>
</html>